Effects of salinomycin on feed utilization and volatile fatty acids concentration in large intestinal digesta and blood of growing pigs
1998
Wakita, M. (Mie Univ., Tsu (Japan). Faculty of Bioresources) | Hoshino, S.
Effects of salinomycin (SL) on feed utilization and volatile fatty acids (VFAs) metabolism were investigated in growing pigs fed formula feed with or without 60 ppm SL ad libitum. SL decreased feed consumption without any apparent decrease in daily gain, thereby, improving feed conversion ratio (P0.05). The dietary SL improved digestibilities of crude protein, crude fat, crude fiber and gross energy. The digesta contents and VFA content of cecum in SL fed pigs were higher than those in the control diet fed pigs. The VFa contents per kg digasta of pigs fed SL decreased at the lower portion of the large intestine, but that of pigs fed control diet did not. In pigs fed SL the concentrations of plasma VFAs in the carotid artery, portal and hepatic veins were higher than those in pigs fed the control diet. From these results, the factors of improvement of feed utilization in pig fed SL were seemed closely associated with the alterations of VFAs production in large intestine, of VFAs absorption from large intestine and of VFAs utilization of tissue cells
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